Numbers n for which the absolute values of the abundances of n, n^2 and n^3 are all prime numbers.

Terms

a(0) =289a(1) =201601a(2) =222784a(3) =638401a(4) =868562a(5) =910116a(6) =4694048a(7) =4950625a(8) =8994001a(9) =9054081a(10) =19855936a(11) =30085225a(12) =32385152a(13) =47623801a(14) =55100929a(15) =72182016a(16) =78952178a(17) =85099058a(18) =86303522a(19) =91910569a(20) =104040000a(21) =105678400a(22) =111175936a(23) =112530002a(24) =128504896a(25) =133702969a(26) =193043236a(27) =204404209a(28) =216001809a(29) =237961476